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Why Leaded Fuel Is Still A Thing

Leaded fuel is considered one of the greatest environmental failures in modern human history. Adding tetraethyl lead to gasoline reduced knock in internal combustion engines, which was widely considered a …read more

Hackaday Links: May 3, 2026

Software that collects public data from the Internet and uses it to provide half-assed answers to your questions might seem like a modern craze, but today we bid farewell to …read more

How TTY Opened Up The Phones For The Hard Of Hearing

The telephone was an invention that revolutionized human communication. No more did you have to physically courier a letter from one place to another, or send a telegram, or have …read more

FLOSS Weekly Episode 869: Linux On Your Toaster

This week Jonathan chats with Andrei, Mahir, and Praneeth, live on location at Texas Instruments! The team at TI has been working hard to provide really good Open Source support …read more

Bicycle Tubes Aren’t Just Made Of Rubber Anymore

For the average rider, inner tubes have been one of the most enduring and unchanging parts of bicycle design over the decades. They’re made of rubber, they have a Schrader …read more

From The Blog

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  • RGB Laser Projector Does Colorful Asteroids And Much More

    No comments

    By Tyler August | May 6, 2026

    Have you thought about building a galvonometer-based laser projector, but don’t know where to start? There are a lot of resources out there, but you could do worse than to …read more

  • Using Hamster Power To Charge A Phone

    4 Comments

    By Maya Posch | May 5, 2026

    It seems fair to say that hamsters are a somewhat divisive pet, between their fluffiness, high-strung nature, short lifespan and incessant squeaking that sounds like some electronic device is trying …read more

  • Earthworms Don’t Bio-Accumulate Microplastics, So There May Be Hope For Us

    12 Comments

    By Tyler August | May 5, 2026

    Microplastics absolutely saturate the Earth’s environment, and that’s probably not a good thing unless you’re looking for a sediment marker for the Anthropocene period. On the other hand, environmental contamination …read more

  • Defeating The [Works By Design]’s Unpickable Lock

    4 Comments

    By Maya Posch | May 5, 2026

    Even though the very concept of an ‘unpickable lock’ is as plausible as making water not be wet, this doesn’t take away from the intellectual thrill of devising solutions to …read more

  • Cutting Steel Gears With Homemade EDM

    9 Comments

    By Aaron Beckendorf | May 5, 2026

    Electric discharge machining (EDM) may be slower than alternatives like laser cutting, water jets, or a milling machine, but for some applications there’s no alternative: it can cut through any …read more

  • Using NFC To Power Devices Instead Of Qi

    3 Comments

    By Maya Posch | May 5, 2026

    It shouldn’t be any surprise that NFC and similar RFID implementations are capable of providing power to a receiver, since this is after all how RFID tags can work without …read more

  • How Giant Tanks Of Fluid Could Help Support The Power Grid

    28 Comments

    By Zoe Skyforest | May 5, 2026

    If you’ve been paying any attention to the renewable energy space, you’ll know that generation isn’t really the problem anymore. Solar panels are cheap, and wind turbines are everywhere. The …read more

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  • How Giant Tanks Of Fluid Could Help Support The Power Grid

    28 Comments
  • Why Leaded Fuel Is Still A Thing

    67 Comments
  • How TTY Opened Up The Phones For The Hard Of Hearing

    15 Comments
  • Bicycle Tubes Aren’t Just Made Of Rubber Anymore

    47 Comments
  • The GPS III Rollout Is Almost Complete, But What Is It?

    34 Comments
More from this category

Our Columns

  • Strange Ways To Make Cold

    13 Comments
  • Hackaday Links: May 3, 2026

    3 Comments
  • Peripherals Hacks

    10 Comments
  • Hackaday Podcast Episode 368: A Pen That Draws Against You, 3D Printing Stuff, And Tablet, Shmablet!

    2 Comments
  • This Week In Security: State Malware, State Hardware Bans, And Stuxnet Before Stuxnet Was Cool

    8 Comments
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Featured Projects

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WORLD’S FASTEST COMMODORE PET USING THE MCL65+

WORLD’S FASTEST COMMODORE PET USING THE MCL65+

by Ted Fried
Turning a 2 ton robot into a 3D-printer

Turning a 2 ton robot into a 3D-printer

by Brian Brocken

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High Speed Photodiode Module 35 GHz

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NanoRFE VNA6000

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AntRunner-Pro Rotator

AntRunner-Pro Rotator

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HeishaMon communication PCB

HeishaMon communication PCB

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4.76
Upsy Desky

Upsy Desky

by TJ Horner
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duckyPad Pro: Macro Scripting Beyond QMK/VIA

duckyPad Pro: Macro Scripting Beyond QMK/VIA

by dekuNukem
$84.99

Trending Projects

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THE ULTIMATE MINI ARCADE

THE ULTIMATE MINI ARCADE

by SrRubio
etyper

etyper

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LoRa: RF Mesh Experiment

LoRa: RF Mesh Experiment

by Rhea Rae
HYDRAMeter

HYDRAMeter

by John Duffy
Muon Oracle

Muon Oracle

by Allan Binder
Screaming Solar Cicada

Screaming Solar Cicada

by SnoWHandS

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If you missed it

  • How Giant Tanks Of Fluid Could Help Support The Power Grid

    28 Comments
  • Why Leaded Fuel Is Still A Thing

    67 Comments
  • How TTY Opened Up The Phones For The Hard Of Hearing

    15 Comments
  • Bicycle Tubes Aren’t Just Made Of Rubber Anymore

    47 Comments
  • The GPS III Rollout Is Almost Complete, But What Is It?

    34 Comments
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Categories

Our Columns

  • Strange Ways To Make Cold

    13 Comments
  • Hackaday Links: May 3, 2026

    3 Comments
  • Peripherals Hacks

    10 Comments
  • Hackaday Podcast Episode 368: A Pen That Draws Against You, 3D Printing Stuff, And Tablet, Shmablet!

    2 Comments
  • This Week In Security: State Malware, State Hardware Bans, And Stuxnet Before Stuxnet Was Cool

    8 Comments
More from this category

Recent comments

  • Anonymous on Defeating The [Works By Design]’s Unpickable Lock
  • Shannon on True-Spectrum Photography With Structural Color
  • Foldi-One on How Giant Tanks Of Fluid Could Help Support The Power Grid
  • erffrfez on Bacteria Marching To The Beat Of A Tiny Drum
  • Foldi-One on How Giant Tanks Of Fluid Could Help Support The Power Grid
  • Foldi-One on How Giant Tanks Of Fluid Could Help Support The Power Grid
  • g on Earthworms Don’t Bio-Accumulate Microplastics, So There May Be Hope For Us
  • DanielF on How Giant Tanks Of Fluid Could Help Support The Power Grid
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  • C on Earthworms Don’t Bio-Accumulate Microplastics, So There May Be Hope For Us

Now on Hackaday.io

  • SrRubio has updated the log for THE ULTIMATE MINI ARCADE.
  • SrRubio has updated the log for THE ULTIMATE MINI ARCADE.
  • Guru-san liked Screaming Solar Cicada.
  • Quackieduckie has updated the project titled etyper.
  • Quackieduckie has updated details to etyper.
  • Alexey Vazhnov liked S/PDIF Recorder.
  • gil.gaudin liked Wireless volumetric display.
  • Rhea Rae has updated the project titled LoRa: RF Mesh Experiment.
  • SrRubio has added a new log for THE ULTIMATE MINI ARCADE.
  • John Duffy has updated the project titled HYDRAMeter.
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